15031551252 has 12 divisors (see below), whose sum is σ = 35073619616. Its totient is φ = 5010517080.

The previous prime is 15031551251. The next prime is 15031551277. The reversal of 15031551252 is 25215513051.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15031551251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626314624 + ... + 626314647.

Almost surely, 2^15031551252 is an apocalyptic number.

15031551252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15031551252 is an abundant number, since it is smaller than the sum of its proper divisors (20042068364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15031551252 is a wasteful number, since it uses less digits than its factorization.

15031551252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252629278 (or 1252629276 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 15031551252 in words is "fifteen billion, thirty-one million, five hundred fifty-one thousand, two hundred fifty-two".